From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,NICE_REPLY_A, RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 15843 invoked from network); 9 Jul 2021 19:55:46 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 9 Jul 2021 19:55:46 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id AB3C5944B8; Sat, 10 Jul 2021 05:55:41 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id F26DF93D8F; Sat, 10 Jul 2021 05:54:52 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="Vlh7L7bS"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 4742793D7A; Sat, 10 Jul 2021 05:54:51 +1000 (AEST) Received: from mail-lj1-f169.google.com (mail-lj1-f169.google.com [209.85.208.169]) by minnie.tuhs.org (Postfix) with ESMTPS id 8C8D593D3C for ; Sat, 10 Jul 2021 05:54:50 +1000 (AEST) Received: by mail-lj1-f169.google.com with SMTP id r20so9796990ljd.10 for ; Fri, 09 Jul 2021 12:54:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=Dt/blAHShWSj7teuIbSYYTWHXxd3sMHtHL7KhdhUMjU=; b=Vlh7L7bSBufT8uWTO0Vn6PKllDcqEF4Ptldt7sLUvC113zpCGutn0JsmWVKMXqLfb0 Y17QMFV7CLyDW4wFue4FxE+t9RoieZfRw58rN5Xr249l0fCjsnNzAqeekmHybf2cc8Ry f8+wxm+bVrOOJ7gU0ZMv9KJ2RZ2YkfJX3PgXTD3DVsMQXaAz5qXbmpvz2oUQOrgKPlPj Mbw6fl1rIQpUCzKEkCdS5Rl5pWYsnLqB5GsjMIegWq9R1FPFTOx3e3RtyQz7uVHZ58LB 90nHazn1hitXARAE827r4i5QAa35KAwZjP8AdbcmG78Wj2MU8bMiuO49dvj2RKpCBtdl xrQQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=Dt/blAHShWSj7teuIbSYYTWHXxd3sMHtHL7KhdhUMjU=; b=dH1HBW6oRWxXZoZ4L4xBKXEojyl5gCo3Z7+eFGBuiglU/bjs811wuR+9yHV/qVrwtf xpTCNq44xPtx8Ujy0rprix2tXzeBY7cA3sNZf5u+VtRj2IvDPquMbTnN44elETIg5lGi Ls5q45d46KsSWITKiKygbKhKO/fB3luDFAV1yJJAJUQPwWSr/1ldidJmJPvu3xf96+96 VODMTlGock88G/VCVno4NLd9W+tnmm+7erIB/j2tU0OzSMvITNZs4qV5x1Lx/uJBx20S oqGsrhH5A2rO4VQzWmqvzCqoFLfN6e3jBw33jqR1NfxDR51spx6pb4Ob8IZ6CsgZBMUH wN3Q== X-Gm-Message-State: AOAM532YJgYiFOAfs7ks09FOJG/N3ypQFgjgEyJQY9bFHbctVu/bf+0u ytP849DUxH06wFETaBKJ1T5Car0WdiM= X-Google-Smtp-Source: ABdhPJx4oeo7lZyJOM3OQNxrXhvdH/0SMWiR1Olzdw+JskuCb3cviCq2Di7o88A+3l/iIgWouSeYqQ== X-Received: by 2002:a2e:b614:: with SMTP id r20mr26348534ljn.323.1625860488423; Fri, 09 Jul 2021 12:54:48 -0700 (PDT) Received: from [192.168.1.8] ([81.191.234.95]) by smtp.gmail.com with ESMTPSA id x10sm535181lfu.263.2021.07.09.12.54.47 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 09 Jul 2021 12:54:47 -0700 (PDT) To: tuhs@minnie.tuhs.org References: <202107091804.169I4L4p2778131@darkstar.fourwinds.com> From: Harald Arnesen Message-ID: Date: Fri, 9 Jul 2021 21:54:47 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <202107091804.169I4L4p2778131@darkstar.fourwinds.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: nb-NO Content-Transfer-Encoding: 7bit Subject: Re: [TUHS] The Unix shell: a 50-year view -- second pass feedback wanted X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" Jon Steinhart [09/07/2021 20.04]: > o The shell as defined above is being used in ways that are far more > complex than originally contemplated when Bourne created the original > syntax and semantics, much less the new features from kash adopted by ^^^^ > the POSIX standards committee. The combination of both the POSIX and > bash extensions to the Bourne shell exposes a new set of limitations > and issues such as performance.